Wallace, I. (1990). The global economic system. Unwin Hyman.
Chicago-čujuhus (17. p.)Wallace, Iain. The Global Economic System. London: Unwin Hyman, 1990.
MLA-čujuhus (9. p.)Wallace, Iain. The Global Economic System. Unwin Hyman, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.